Guardians vs Mariners Prediction and MLB Tips - 28 June 2026
Last updated: Jun 27, 2026, 11:00PM | Published: Jun 26, 2026, 6:42PM
The Cleveland Guardians will take on the Seattle Mariners in MLB action at Progressive Field on Sunday, starting at 9:10am AEST.
Slade Cecconi (3-6, 4.48 ERA) will be on the bump for the Guardians, up against Logan Gilbert (6-4, 3.29 ERA) for the Mariners.
This article features Stats Insider's prediction and tips for the Guardians vs Mariners game, along with the latest betting odds in Australia.
Who Will Win?
Based on advanced machine learning and data, Stats Insider has simulated the outcome of Sunday's Cleveland vs Seattle MLB match-up 10,000 times.
Our independent predictive analytics model gives the Mariners a 58% chance of defeating the Guardians at Progressive Field.
Guardians vs Mariners: Odds
The current betting odds in Australia for Sunday's MLB game at Progressive Field are shown below:
- Head to Head: Guardians $2.25, Mariners $1.67
- Line: Guardians +1.5 ($1.74), Mariners -1.5 ($2.14)
- Total (Over/Under 7.5 Runs): Over $1.91, Under $1.91
Odds are correct at the time of publication and subject to change.
Looking at the latest head-to-head odds, the bookmakers currently have the Guardians at $2.25 and the Mariners at $1.67.
The Guardians are listed as 1.5-run underdogs against the Mariners, with odds of $1.74 available at TAB.
For the favourite Mariners (-1.5) to cover the line, TAB offers odds of $2.14.
The over/under for total runs scored is set at 7.5 with TAB, which has odds of $1.91 for the over and $1.91 for the under.
According to Stats Insider's model, the Guardians (+1.5) are predicted to cover the line 55% of the time, while the 7.5-run over/under is expected to go over 54% of the time.
Guardians vs Mariners: Betting Tips
- Head to Head: Seattle at $1.67 with TAB
- Line: Mariners -1.5 at $2.14 with TAB
- Total Runs: Over 7.5 at $1.91 with TAB
These Guardians vs Mariners predictions are based on world-class simulations and betting expertise to provide you with the best possible advice every day of the year.
Although the Guardians are more likely to cover the line, our best bet of Mariners -1.5 is based on the probability of that happening, as suggested by our predictive analytics model, and the top odds available.
Guardians vs Mariners: Prediction
Stats Insider provides full coverage of the Cleveland vs Seattle game on Sunday, including data-driven predictions and expert tips.
Remember, our model updates regularly, so keep checking this article for the latest betting tips before the Cleveland vs Seattle match-up.
As always, see our Best Bets to get the best tips on every MLB game, plus predictions for a wide range of other sports.
Guardians vs Mariners: Essential Details
The match-up between the Guardians and Mariners at Progressive Field is scheduled to commence at 9:10am AEST on Sunday.
- Teams: Cleveland Guardians vs Seattle Mariners
- Date: Sunday 28 June 2026
- Time: 9:10am AEST
- Venue: Progressive Field
All dates and times mentioned in this article are in Australian Eastern Standard Time (AEST), unless otherwise noted.
Conclusion
Our Cleveland vs Seattle predictions are based on 10,000 data-driven simulations of the game, all curated by our team of expert data scientists and analysts. We use the latest in predictive analytics technology and machine learning to ensure our MLB tips are trustworthy and reliable, giving you the confidence to make informed decisions.
If you decide to use our predictions for betting purposes, it's crucial that you gamble responsibly and keep track of your money. For free and confidential support, call 1800 858 858 or visit gamblinghelponline.org.au.
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